IS 17880 :2022
Textiles - Geosynthetics — Synthetic Polymer RopeGabions for Coastal and Waterways Protection — Specification
1. Summary about Geosynthetics — Synthetic Polymer Rope Gabions for Coastal and Waterways Protection
Synthetic polymer rope gabions are flexible geosynthetic containment systems made from high-strength polymer ropes and filled with stones or similar materials. They are used for coastal protection, riverbank stabilization, shoreline defense, and waterway erosion control due to their adaptability and resistance to hydraulic forces.
2. Why BIS Certificate is Mandatory for Synthetic Polymer Rope Gabions
BIS certification is mandatory because these gabions are used in critical coastal and waterway protection works. Failure can lead to erosion, flooding, and damage to public infrastructure and the environment.
3. What is BIS Certified for Synthetic Polymer Rope Gabions
BIS certification confirms conformity with the applicable Indian Standard issued by the :contentReference[oaicite:0]{index=0} through testing of rope tensile strength, abrasion resistance, joint integrity, and durability under marine conditions.
Tests required for Synthetic Polymer Rope Gabions for Coastal and Waterways Protection
| Title | Mandatory/Optional |
|---|---|
| MATERIAL | Optional |
| Netting | Required |
| Gabion | Required |
Requirements of Synthetic Polymer Rope Gabions for Coastal and Waterways Protection
| Title | Mandatory/Optional |
|---|---|
| Mesh opening size | |
| Rope diameter | |
| Linear density of the rope | |
| Mass in kg per square meter of gabions | |
| Breaking strength of rope | Required |
| Breaking strength after abrasion resistance of rope for 1 000 cycles | Required |
| Breaking strength after thermal stability at 45 °C for 3 hours | Required |
| Rope net strength | Required |
| Punching shear strength | Required |
| Retention in breaking strength of rope after UV exposure | Optional |
| Retention in breaking strength after exposure to saline water cyclic corrosion test for 168 h | Optional |
4. Benefits of BIS Certification for Synthetic Polymer Rope Gabions
- Ensures resistance to wave and hydraulic forces
- Mandatory for coastal and river protection projects
- Improves durability in marine environments
- Reduces erosion and structural failure risk
- Enhances acceptance by authorities and engineers